LANE DEPARTURE ALERT SYSTEM, Diagnostic DTC:C1AA2

DTC Code DTC Name
C1AA2 Vehicle Speed Tolerance Malfunction

DESCRIPTION

The lane departure warning camera receives the vehicle speed tolerance signal from the combination meter assembly via CAN communication to control the lane departure alert system. When the lane departure warning camera receives an abnormal signal, DTC C1AA2 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1AA2 Vehicle Speed Tolerance Malfunction While the power switch is on (IG), a signal indicating a malfunction is received from the combination meter assembly for 50 seconds or more.

  • Meter/gauge system

  • Lane departure warning camera

CAUTION / NOTICE / HINT

Note


  • When the lane departure warning camera is replaced with a new one, adjustment of the lane departure warning camera beam axis must be performed.

    Click here

  • The lane departure alert system uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the lane departure alert system after confirming that the communication systems are functioning properly.

    Click here

PROCEDURE


  1. CHECK FOR DTCs (COMBINATION METER)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Body Electrical / Combination Meter / Trouble Codes.

    4. Check for DTCs.

      Click here


      Body Electrical > Combination Meter > Trouble Codes
      Result
      Result Proceed to
      Meter/gauge system DTCs are not output A
      Meter/gauge system DTCs are output B

    B

    GO TO METER / GAUGE SYSTEM Click here

    A

  2. CHECK FOR DTCs (LANE DEPARTURE ALERT)


    1. Clear the DTCs.

      Click here


      Chassis > Lane Departure Alert > Clear DTCs

    2. Make sure that the DTC detection conditions are met.

      Tech Tips

      If the detection conditions are not met, the system cannot detect the malfunction.

    3. Check for DTCs.

      Click here


      Chassis > Lane Departure Alert > Trouble Codes
      Result
      Result Proceed to
      DTC C1AA2 is not output A
      DTC C1AA2 is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE LANE DEPARTURE WARNING CAMERA Click here